document.write( "Question 971388: a line with slope -2 passes through the points (-1, 3), what is the equation of the line.\r
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document.write( "a. y=-2x+1
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document.write( "b. y=-3x-1
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document.write( "c. 2y=-x-1
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document.write( "d. 2y=x-1 \n" );
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Algebra.Com's Answer #593875 by josgarithmetic(39618)![]() ![]() ![]() You can put this solution on YOUR website! Two ways to handle this:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Just find the equation through point-slope form\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "OR\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Logically eliminate bad choices and accept what will be the correct choice. \n" ); document.write( "- \n" ); document.write( "Reject c and d immediately. Their slopes will be wrong-something you can decide easily in your head. \n" ); document.write( "Reject b, since you know again the slope is wrong. \n" ); document.write( ". \n" ); document.write( "Now, choose \"a\", equation y=-2x+1. \n" ); document.write( "You can check using the point-slope equation and adjusting the form into slope-intercept. \n" ); document.write( " |